PHP的一个完整SMTP类(解决邮件服务器需要验证时的问题) (1)

smtp.php

%26lt;?php
class smtp

{

/* Public Variables */

var $smtp_port;

var $time_out;

var $host_name;

var $log_file;

var $relay_host;

var $debug;

var $auth;

var $user;

var $pass;

/* Private Variables */
var $sock;

/* Constractor */

function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass)

{

$this-%26gt;debug = FALSE;

$this-%26gt;smtp_port = $smtp_port;

$this-%26gt;relay_host = $relay_host;

$this-%26gt;time_out = 30; //is used in fsockopen()
#

$this-%26gt;auth = $auth;//auth

$this-%26gt;user = $user;

$this-%26gt;pass = $pass;

#

$this-%26gt;host_name = "localhost"; //is used in HELO command
$this-%26gt;log_file = "";

$this-%26gt;sock = FALSE;

}

/* Main Function */

function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")

{

$mail_from = $this-%26gt;get_address($this-%26gt;strip_comment($from));

$body = ereg_replace("(^|(\r\n))(\.)", "\1.\3", $body);

$header .= "MIME-Version:1.0\r\n";

if($mailtype=="HTML"){

$header .= "Content-Type:text/html\r\n";

}

$header .= "To: ".$to."\r\n";

if ($cc != "") {

$header .= "Cc: ".$cc."\r\n";

}

$header .= "From: $from%26lt;".$from."%26gt;\r\n";

$header .= "Subject: ".$subject."\r\n";

$header .= $additional_headers;

$header .= "Date: ".date("r")."\r\n";

$header .= "X-Mailer:By Redhat (PHP/".phpversion().")\r\n";

list($msec, $sec) = explode(" ", microtime());

$header .= "Message-ID: %26lt;".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from."%26gt;\r\n";

$TO = explode(",", $this-%26gt;strip_comment($to));

if ($cc != "") {

$TO = array_merge($TO, explode(",", $this-%26gt;strip_comment($cc)));

}

if ($bcc != "") {

$TO = array_merge($TO, explode(",", $this-%26gt;strip_comment($bcc)));

}

$sent = TRUE;

foreach ($TO as $rcpt_to) {

$rcpt_to = $this-%26gt;get_address($rcpt_to);

if (!$this-%26gt;smtp_sockopen($rcpt_to)) {

$this-%26gt;log_write("Error: Cannot send email to ".$rcpt_to."\n");

$sent = FALSE;

continue;

}

if ($this-%26gt;smtp_send($this-%26gt;host_name, $mail_from, $rcpt_to, $header, $body)) {

$this-%26gt;log_write("E-mail has been sent to %26lt;".$rcpt_to."%26gt;\n");

} else {

$this-%26gt;log_write("Error: Cannot send email to %26lt;".$rcpt_to."%26gt;\n");

$sent = FALSE;

}

fclose($this-%26gt;sock);

$this-%26gt;log_write("Disconnected from remote host\n");

}

return $sent;

}

/* Private Functions */

function smtp_send($helo, $from, $to, $header, $body = "")

{

if (!$this-%26gt;smtp_putcmd("HELO", $helo)) {

return $this-%26gt;smtp_error("sending HELO command");

}

#auth

if($this-%26gt;auth){

if (!$this-%26gt;smtp_putcmd("AUTH LOGIN", base64_encode($this-%26gt;user))) {

return $this-%26gt;smtp_error("sending HELO command");

}

if (!$this-%26gt;smtp_putcmd("", base64_encode($this-%26gt;pass))) {

return $this-%26gt;smtp_error("sending HELO command");

}

}

#

if (!$this-%26gt;smtp_putcmd("MAIL", "FROM:%26lt;".$from."%26gt;")) {

return $this-%26gt;smtp_error("sending MAIL FROM command");

}

if (!$this-%26gt;smtp_putcmd("RCPT", "TO:%26lt;".$to."%26gt;")) {

return $this-%26gt;smtp_error("sending RCPT TO command");

}

if (!$this-%26gt;smtp_putcmd("DATA")) {

return $this-%26gt;smtp_error("sending DATA command");

}

if (!$this-%26gt;smtp_message($header, $body)) {

return $this-%26gt;smtp_error("sending message");

}

if (!$this-%26gt;smtp_eom()) {

return $this-%26gt;smtp_error("sending %26lt;CR%26gt;%26lt;LF%26gt;.%26lt;CR%26gt;%26lt;LF%26gt; [EOM]");

}

if (!$this-%26gt;smtp_putcmd("QUIT")) {

return $this-%26gt;smtp_error("sending QUIT command");

}

return TRUE;

}

function smtp_sockopen($address)

{

if ($this-%26gt;relay_host == "") {

return $this-%26gt;smtp_sockopen_mx($address);

} else {

return $this-%26gt;smtp_sockopen_relay();

}

}

function smtp_sockopen_relay()

{

$this-%26gt;log_write("Trying to ".$this-%26gt;relay_host.":".$this-%26gt;smtp_port."\n");

$this-%26gt;sock = @fsockopen($this-%26gt;relay_host, $this-%26gt;smtp_port, $errno, $errstr, $this-%26gt;time_out);

if (!($this-%26gt;sock %26amp;%26amp; $this-%26gt;smtp_ok())) {

$this-%26gt;log_write("Error: Cannot connenct to relay host ".$this-%26gt;relay_host."\n");

$this-%26gt;log_write("Error: ".$errstr." (".$errno.")\n");

return FALSE;

}

$this-%26gt;log_write("Connected to relay host ".$this-%26gt;relay_host."\n");

return TRUE;;

}

function smtp_sockopen_mx($address)

{

$domain = ereg_replace("^.+@([^@]+)$", "\1", $address);

if (!@getmxrr($domain, $MXHOSTS)) {

$this-%26gt;log_write("Error: Cannot resolve MX \"".$domain."\"\n");

return FALSE;

}

foreach ($MXHOSTS as $host) {

$this-%26gt;log_write("Trying to ".$host.":".$this-%26gt;smtp_port."\n");

$this-%26gt;sock = @fsockopen($host, $this-%26gt;smtp_port, $errno, $errstr, $this-%26gt;time_out);

if (!($this-%26gt;sock %26amp;%26amp; $this-%26gt;smtp_ok())) {

$this-%26gt;log_write("Warning: Cannot connect to mx host ".$host."\n");

$this-%26gt;log_write("Error: ".$errstr." (".$errno.")\n");

continue;

}

$this-%26gt;log_write("Connected to mx host ".$host."\n");

return TRUE;

}

$this-%26gt;log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")\n");

return FALSE;

}

function smtp_message($header, $body)

{

fputs($this-%26gt;sock, $header."\r\n".$body);

$this-%26gt;smtp_debug("%26gt; ".str_replace("\r\n", "\n"."%26gt; ", $header."\n%26gt; ".$body."\n%26gt; "));

return TRUE;

}

function smtp_eom()

{

fputs($this-%26gt;sock, "\r\n.\r\n");

$this-%26gt;smtp_debug(". [EOM]\n");

return $this-%26gt;smtp_ok();

}

function smtp_ok()

{

$response = str_replace("\r\n", "", fgets($this-%26gt;sock, 512));

$this-%26gt;smtp_debug($response."\n");

if (!ereg("^[23]", $response)) {

fputs($this-%26gt;sock, "QUIT\r\n");

fgets($this-%26gt;sock, 512);

$this-%26gt;log_write("Error: Remote host returned \"".$response."\"\n");

return FALSE;

}

return TRUE;

}

function smtp_putcmd($cmd, $arg = "")

{

if ($arg != "") {

if($cmd=="") $cmd = $arg;

else $cmd = $cmd." ".$arg;

}

fputs($this-%26gt;sock, $cmd."\r\n");

$this-%26gt;smtp_debug("%26gt; ".$cmd."\n");

return $this-%26gt;smtp_ok();

}

function smtp_error($string)

{

$this-%26gt;log_write("Error: Error occurred while ".$string.".\n");

return FALSE;

}

function log_write($message)

{

$this-%26gt;smtp_debug($message);

if ($this-%26gt;log_file == "") {

return TRUE;

}

$message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message;

if (log_file">!@file_exists($this-%26gt;log_file) || !($fp = @fopen($this-%26gt;log_file, "a"))) {

$this-%26gt;smtp_debug("Warning: Cannot open log file \"".$this-%26gt;log_file."\"\n");

return FALSE;;

}

flock($fp, LOCK_EX);

fputs($fp, $message);

fclose($fp);

return TRUE;

}

function strip_comment($address)

{

$comment = "\([^()]*\)";

while (ereg($comment, $address)) {

$address = ereg_replace($comment, "", $address);

}

return $address;

}

function get_address($address)

{

$address = ereg_replace("([ \t\r\n])+", "", $address);

$address = ereg_replace("^.*%26lt;(.+)%26gt;.*$", "\1", $address);

return $address;

}

function smtp_debug($message)

{

if ($this-%26gt;debug) {

echo $message;

}

}

}

?%26gt;

test.php

%26lt;?php

/*

这是一个测试程序!!!

请按照说明设置好以下的参数,以下是以tom.com的用户为例设置好的.

*/

require("sm.php");

##########################################

$smtpserver = "smtp.tom.com";//SMTP服务器

$smtpserverport =25;//SMTP服务器端口

$smtpusermail = "someone@tom.com";//SMTP服务器的用户邮箱

$smtpemailto = "jack@knowsky.com";//发送给谁

$smtpuser = "someone";//SMTP服务器的用户帐号

$smtppass = "someonepass";//SMTP服务器的用户密码

$mailsubject = "Test Subject";//邮件主题

$mailbody = "%26lt;h1%26gt;This is a test mail%26lt;/h1%26gt;";//邮件内容

$mailtype = "HTML";//邮件格式（HTML/TXT）,TXT为文本邮件

##########################################

$smtp = new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);//这里面的一个true是表示使用身份验证,否则不使用身份验证.

$smtp-%26gt;debug = TRUE;//是否显示发送的调试信息

$smtp-%26gt;sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);

?%26gt;